Winchester Bancorp, Inc./MD/ WSBK

Winchester Bancorp, MHC was formed in December 2024 as the Massachusetts-chartered mutual holding company for Winchester Bancorp, Inc. in connection with the reorganization of Winchester Savings Bank (the "Bank") into the "two-tier" mutual holding company form of organization. Winchester Bancorp, MHC will, for as long as it is in existence, own a majority of the outstanding shares of Winchester Bancorp, Inc's common stock. As a mutual holding company, Winchester Bancorp, MHC is a non-stock company.

Winchester Bancorp, MHC's principal asset is the common stock of Winchester Bancorp, Inc. it received in the reorganization and offering. Presently, it is expected that the only business activity of Winchester Bancorp, MHC is to own a majority of Winchester Bancorp, Inc's common stock. Winchester Bancorp, MHC is authorized to engage in any other business activities that are permissible for mutual holding companies under federal and state law, including investing in loans and securities. Winchester Bancorp, MHC is subject to comprehensive regulation and examination by the Federal Reserve Board.